# ROI Calculator vs Arch Radius

The clearest difference is price: ROI Calculator at Free against Arch Radius's $0.99. ROI Calculator also leads on rating (4.5 vs 1.0) and review sentiment (25% vs 0%). Arch Radius's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.0). On ads and device support there is nothing between them.

ROI Calculator is free to download; Arch Radius costs $0.99 up front. ROI Calculator sells 1 one-off in-app purchase. Arch Radius asks for nothing beyond the download.

ROI Calculator holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: ROI Calculator has 156 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 25% of ROI Calculator's written reviews are positive against 0% of Arch Radius's.

## The numbers

| Metric | ROI Calculator | Arch Radius |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (156 ratings)](https://appshunter.io/ios/app/roi-calculator-calc/id1540243397/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/arch-radius/id6449305148/reviews) |
| Number of ratings | **156** | 1 |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 1 MB | 26 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) | [Guido Lemmens](https://appshunter.io/developer/493248169) |

## What reviewers say

### ROI Calculator

[App page](https://appshunter.io/ios/app/roi-calculator-calc/id1540243397)

Calculate Return on Investment (ROI) and Annualized ROI with ease. Input your investment amount, return, and period for precise financial insights. Contact the developer for any requests.

**Highlights:** Calculate ROI, Calculate Annualized ROI, Input investment amount, Input amount returned, Specify investment period, Accurate results

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $2.99 | one-time |


### Arch Radius

[App page](https://appshunter.io/ios/app/arch-radius/id6449305148)

Calculate the radius of an arch by inputting its width and height. This utility app saves your data for future reference, making it a handy tool for construction professionals.

**Highlights:** Calculate arch radius, Input width (chord) and height, Save data for later use, Designed for quick calculations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ROI Calculator free?

ROI Calculator is free to download, with in-app purchases available.

### Is Arch Radius free?

Arch Radius costs $0.99, with no in-app purchases.

### Which has better reviews, ROI Calculator or Arch Radius?

ROI Calculator is rated higher. ROI Calculator averages 4.5 out of 5 from 156 ratings, while Arch Radius averages 1.0 from 1 ratings.

### Do ROI Calculator or Arch Radius have ads?

Neither ROI Calculator nor Arch Radius shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*